Bearing is an important part of modern machinery and equipment. Its main function is to support the mechanical rotating body, reduce its friction coefficient in the process of motion, and ensure its rotating accuracy. According to the different friction properties of moving elements, bearings can be divided into two categories: rolling bearings and sliding bearings. Among them, rolling bearings have been standardized and serialized, but compared with sliding bearings, their radial dimensions, vibration and noise are larger, and their prices are higher.
The bushing acts as a cushion in the valve application field. The bushing is in the valve cover. The corrosion-resistant materials such as polytetrafluoroethylene or graphite are generally used for sealing.
The shaft sleeve is a cylindrical mechanical part on the rotating shaft, and is an integral part of the sliding bearing. Generally speaking, the shaft sleeve and the bearing seat adopt interference fit, and the shaft is used for clearance matching.
Jiande Welfine Technology Co., Ltd
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